a comprehensive health impact assessment framework for traffic in flanders and brussels
DESCRIPTION
A comprehensive health impact assessment framework for traffic in Flanders and Brussels. Dhondt, S ., Macharis, C. & Putman, K. HIA 2011 - Granada. Background. Impact of transport on health Air pollution, noise, traffic accidents, impact on physical health or psychological consequences - PowerPoint PPT PresentationTRANSCRIPT
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04/21/23 | pag. 1
A comprehensive health impact assessment framework for traffic in Flanders and Brussels
Dhondt, S., Macharis, C. & Putman, K.
HIA 2011 - Granada
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Background
• Impact of transport on health• Air pollution, noise, traffic accidents, impact on
physical health or psychological consequences
• Significant challenge to policy in Belgium
HIA framework for traffic policy04/21/23 | pag. 2
• Number of traffic victims still higher than neighbouring countries
• European Commission takes Belgiumto EU Court of Justice for failing to comply with EU air quality limit values for PM10.
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HIA for evaluating policy
Need for more integrated, systemic policy responses
HIA to evaluate the health burden of policy responsesMASE: “Model-based Approach for evaluating the Safety and Environmental effect of traffic policy measures”
• Model based– Alignment of different models to assess population exposure
• Safety and Environment– Impact of air pollution and traffic safety expressed in DALY
• Traffic policy measures– E.g. teleworking, ageing population, more efficient public
transport and increasing fuel prices
HIA framework for traffic policy04/21/23 | pag. 3
The MASE-project is funded by the Flemish agency for Innovation by Science and Technology
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Model-Based Approach
HIA framework for traffic policy04/21/23 | pag. 4
Transport model
Road safety model
Health Impact Assessment
Emission and dispersion model
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Health impact of air pollution
– Selection of exposures and health endpoints• Years Life Lost (YLL)
– PM2,5: long term mortality
– O3: long-term mortality (summer period only)
• Years Lived with Disability (YLD)– PM10: cause – specific hospital admissions (short –term)
– Population exposure• Dynamic exposure: incorporating spatial and
temporal variability of population and pollution
– Exposure-effect evaluation• Established and recent RR from epidemiology
HIA framework for traffic policy04/21/23 | pag. 5
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Health impact of air pollution
HIA framework for traffic policy04/21/23 | pag. 6
Dynamic exposure
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Dynamic exposure
Titel van de presentatie04/21/23 | pag. 7
a)
d)
b)
e)
c)
f)
Ambient PM2.5
concentrations at 02h and 14h
Population density at a random day both at 02h and 14h
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Dynamic exposure
HIA framework for traffic policy04/21/23 | pag. 8
Relative difference in PM2.5 exposure using a static vs a dynamic exposure assessment
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Health impact of air pollution
HIA framework for traffic policy04/21/23 | pag. 9
Age Sex
PM2,5
ICD10 I00-I70 J00-J99O3 (summer)
ICD10 J00-J99 Attributable proportion of
PM2,5 and O3 to total YLL
Exposure µg/m3
YLL/1000 [95% CI]
Exposure µg/m3
YLL/1000[95% CI]
34-54Male 18,63 2,15
[1,51 – 2,79] 77,99 0,11[0,04 – 0,18]
16,12%[11,04 – 21,19%]
Female 18,56 1,17[0,82 - 1,52] 78,17 0,08
[0,03 – 0,14]16,10%
[11,02 – 21,18%]
55-64Male 18,61 8,88
[6,23 – 11,52] 78,27 0,72[0,28 – 1,17]
16,46%[11,17 – 21,74%]
Female 18,58 4,30[3,02 – 5,58] 78,27 0,41
[0,16 – 0,69]16,68%
[11,25 – 22,11%]
>=65Male 18,64 26,02
[18,27 – 33,76] 78,18 3,07[1,19 – 4,96]
17,10%[11,43 – 22,77%]
Female 18,67 20,98[14,74 – 27,22] 78,09 1,82
[0,70 – 2,94]16,64%
[11,26 – 22,03%]
Total 8,14 [5,81 – 10,74]
0,78 [0,30 – 1,27]
16,56%[11,21 – 21,90%]
YLL due to PM2.5 and O3 (base-scenario)
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Health impact of traffic safety
– Selection of exposures and health endpoints• Public health impact of injured and fatal traffic
victims– YLL: number of fatal traffic victims– YLD: burden of injury
– Population exposure• Based on traffic risk models
– Number of fatal and hospitalized traffic victims under changing mobility patterns
– Exposure-effect evaluation• Injury risks derived from hospital registration (ICD-
9-CM)
HIA framework for traffic policy04/21/23 | pag. 10
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Health impact of traffic safety
Probabilistic model– Monte Carlo analysis
• Parameters– Injury risk
– Risk of lifelong or temporary disability
– Disability weights
– Life expectancy
HIA framework for traffic policy21/04/23 | pag. 11
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Health impact of traffic safety
DALY due to road traffic accidents (base-scenario)
HIA framework for traffic policy04/21/23 | pag. 12
Age Sex Nr DALY [95% CI] Average DALY(/1000)
Average DALY per kilometer
18-34Male 1508 13376,96 [12441 – 14388] 14,048 948,74
Female 524 2271,59 [1851 – 2769] 2,423 213,11
35-54Male 1085 5578,08 [4994 – 6245] 5,435 271,29
Female 466 1671,47 [1341 – 2092] 1,663 123,42
55-64Male 280 1215,42 [1047 – 1434] 3,510 173,98
Female 153 432,38 [352 – 558] 1,184 102,53
≥ 65Male 385 939,24 [770 – 1143] 2,537 212,13
Female 374 637,46 [490 – 819] 1,173 202,59
Total 4775 26122,60 [25634 – 33224] 4,710 336,46
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Integration
Comparison health burden (base-scenario)
HIA framework for traffic policy04/21/23 | pag. 13
Age SexAverage DALY
(/1000)TRAFFIC SAFETY
Average DALY(/1000)
AIR POLLUTION
35-54Male 5,435 2,273
Female 1,663 1,256
55-64Male 3,510 9,604
Female 1,184 4,716
≥ 65Male 2,537 29,098
Female 1,173 22,806Total 4,710 9,066
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Next steps
• Enhanced population exposure– Simulating individual people throughout the
day• More detailed exposure profile
– Exposure of children• School locations
• Follow-up on epidemiologic studies– Relative risks derived from dynamic exposure
instead of residential exposure
• Scenario analysesHIA framework for traffic policy04/21/23 | pag. 14